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New Products

  Date: 15/05/2014

Now reliable 8-bit MCUs for automotive body electronics at lowest price

STMicroelectronics has expanded its 8-bit automotive-grade microcontroller portfolio by adding ultra-competitively priced new devices in compact packages, featuring 20 MIPS processing performance and a peripheral set optimized for automotive body electronics and comfort applications.

Based on STs efficient 24MHz STM8A 8-bit processor core, the new STM8AF6223 and STM8AF6226 feature an intelligent mix of connectivity, timing, and analog functions for space-constrained modules such as seat controllers, window lifters, HVAC controls or gateways. An extended temperature range qualifies the MCUs for under-the-hood applications.

Features comprise 8Kbytes on-chip Flash, 640 Bytes true data EEPROM (up to 300kcycles), 1Kbyte RAM, serial interfaces including LIN 2.1, and a 10-bit ADC. A clock security system, two watchdogs (one with independent clock), and a sophisticated memory-protection scheme ensure automotive-level dependability.

Combining the simplicity and robustness of a 5V 8-bit architecture with automotive reliability, the AEC-Q100 qualified devices operate at temperatures up to 150C and keep running down to 3.0V in cranking conditions.

A choice of compact packages is available. Even the smallest, the TSSOP20, has seven ADC inputs, and six capture/compare channels. The TQFP32 adds three complementary PWM outputs for driving BLDC motors.

The STM8AF6223 and STM8AF6226 microcontrollers are available immediately. The STM8AF6223 in TSSOP20 with 85C maximum temperature is priced at $0.63 in quantities of 10,000 units.

Source: st.com



 
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